<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>预览流程图</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .box {
            width:100%;
            height: 100%;
            display: flex;
            justify-content: center;
        }

        svg{
            overflow: visible;
        }
    </style>
</head>

<body>
<div class="box">
    <div id="svgHtml"></div>
</div>
</body>
<script>
    let svgData = localStorage.getItem("dataUri")
    document.getElementById("svgHtml").innerHTML = svgData
</script>
</html>